Title:
Manufacture of plastic articles having spaced shells with reinforced foam filling
United States Patent 3013922
Inventors:
Fisher, Richard T.
Publication Date:
12/19/1961
Assignee:
FISHER PIERCE CO INC
Other Classes:
220/592.250, 29/460, 220/902, 114/348, 280/832, 264/46.700, 264/261, 156/79, 264/45.300
International Classes:
B29C44/12; B63B3/00; B29C44/02
US Patent References:
| 2454719 | Method of making cored laminated plastic sheets | | | |
| 2482798 | Aircraft wing and method of manufacture | | | |
| 2519036 | Method of molding cellular articles | | | |
| 2706311 | Process for preparing foamed structures | | | |
| 2728702 | Composite cellular plastic structure | | | |
| 2744042 | Laminated panels | | | |
| 2755216 | Process for forming a multi-ducted shell | | | |
| 2767461 | Method of making propeller or rotor blade | | | |
| 2773792 | Method of making a laminated structure | | | |
| 2855021 | Process for producing plates, sheels and shaped elements | | | |